| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 08/12/2004 | DE4344811B4 Faltungscodierer und gittercodierte Modulationsvorrichtung mit einem Faltungscodierer Convolutional and trellis coded modulation device with a convolutional |
| 08/12/2004 | DE10332857A1 Verfahren und Vorrichtung zum Schützen und Übertragen der Seitenbandinformation, welche auf die Spitzenwert-zu-Mittelwert-Verhältnis-Reduzierung der Leistung in einem Breitband-System bezogen ist Method and apparatus for protecting and transferring the side band information, which is related to the peak-to-average ratio reduction of the performance in a broadband system |
| 08/12/2004 | DE10328375A1 Arrangement for generating quadrature modulated transmission signal has two phase modulators generating phase-modulated signals from two input signals, addition circuit for summing phase-modulated signals |
| 08/12/2004 | DE10302391A1 Oszillatoranordnung für Frequenzmodulation Oscillator arrangement for frequency modulation |
| 08/11/2004 | EP1445907A2 Estimation of subcarrier attentuations |
| 08/11/2004 | EP1445906A1 Method and device for analysing an OFDM signal |
| 08/11/2004 | EP1445905A1 Method of data communication in a multicarrier radio communication system |
| 08/11/2004 | EP1445904A1 Noiseless data transmission method |
| 08/11/2004 | EP1445884A1 Transmission method, transmission apparatus, and reception apparatus |
| 08/11/2004 | EP1445883A1 Reception apparatus |
| 08/11/2004 | EP1445874A1 Communication method and radio communication apparatus |
| 08/11/2004 | EP1444821A1 High performance micro-filter and splitter apparatus |
| 08/11/2004 | EP1444815A1 Data-aided frequency offset detection using phase unwrapping |
| 08/11/2004 | EP1444814A1 Method and arrangement for limiting signal in radio transmitter |
| 08/11/2004 | EP1444804A1 Method and system for spectrally compatible remote terminal adsl deployment |
| 08/11/2004 | EP1444802A1 Method and system for determining data transfer margins for network connections |
| 08/11/2004 | EP1444798A1 Array processing for linear system solutions |
| 08/11/2004 | EP1444797A1 Antenna polarization codulation |
| 08/11/2004 | EP1224763A4 Method and apparatus for communicating a call |
| 08/11/2004 | EP0852869B1 Method and system for transferring data between a mobile and a stationary group of persons |
| 08/11/2004 | CN1520669A Method and system for compensation of carrier frequency offset in OFDM receiver |
| 08/11/2004 | CN1520667A Cycle-by-cycle synchronous waveform shaping circuits based on time-domain superposition and convolution |
| 08/11/2004 | CN1520654A Method and device for transferring data according to ARQ-method |
| 08/11/2004 | CN1520642A Low leakage local oscillator system |
| 08/11/2004 | CN1520637A Direct conversion receiver architecture |
| 08/11/2004 | CN1520117A Digital baseband modulator and demodulator |
| 08/11/2004 | CN1520116A Method and system for transmission, recepting and processing of 4-level and 8-level signaling symbols |
| 08/11/2004 | CN1520074A OFDM Receiver and data demodulation method |
| 08/11/2004 | CN1520071A Digital audio broadcast receiver having simply implementable FFT processor |
| 08/11/2004 | CN1520051A Subscriber unit and method for use in wireless communication system |
| 08/11/2004 | CN1520049A Method for radio transmitting data, its transmitter and receiver and modulator thereof |
| 08/11/2004 | CN1520029A Digital controlled oscillator, digital cnverter and RF unit |
| 08/11/2004 | CN1162026C Base band processor integrating more modulation fuctions and method for implementing different modulations |
| 08/11/2004 | CN1161976C Receiver and receive decoding method |
| 08/11/2004 | CN1161939C Calibration device and method thereof |
| 08/11/2004 | CN1161938C Reproducer |
| 08/11/2004 | CN1161936C Symol timing recovery network for carrierless amplitude phase (CAP) signal |
| 08/11/2004 | CN1161921C Symbol timing recovery circuit in digital demodulator |
| 08/11/2004 | CN1161916C Signal process for multiplex communication system and signal processing method therefor |
| 08/11/2004 | CN1161886C Coding method and apparatus |
| 08/10/2004 | US6775629 System and method for estimating one or more tones in an input signal |
| 08/10/2004 | US6775596 Information processing system, information processing apparatus and method, recording medium, and program |
| 08/10/2004 | US6775530 Direct conversion of narrow-band RF signals |
| 08/10/2004 | US6775524 Signal transmitting apparatus |
| 08/10/2004 | US6775336 Receiver and gain control method of the same |
| 08/10/2004 | US6775335 Method and apparatus for equalization and tracking of coded digital communications signals |
| 08/10/2004 | US6775334 Equalization and decision-directed loops with trellis demodulation in high definition TV |
| 08/10/2004 | US6775332 Multi-stage receiver |
| 08/10/2004 | US6775324 Digital signal modulation system |
| 08/10/2004 | US6775320 Method and a multi-carrier transceiver supporting dynamic switching between active application sets |
| 08/10/2004 | US6775241 Method and apparatus for configuring a communication system |
| 08/10/2004 | US6774829 Apparatus and method for receiving signals including data carriers and pilot carriers modulated by multi-carrier modulation method |
| 08/10/2004 | US6774740 System for highly linear phase modulation |
| 08/10/2004 | US6774739 Frequency converter, orthogonal demodulator and orthogonal modulator |
| 08/10/2004 | US6774738 Trimming method for a transceiver using two-point modulation |
| 08/05/2004 | WO2004066578A1 Oscillator device for frequency modulation |
| 08/05/2004 | WO2004066577A2 Converter circuit for a limiter receiver structure and method for converting a signal in a limiter receiver structure |
| 08/05/2004 | WO2004066537A2 Digital receiver demapper |
| 08/05/2004 | WO2004066080A2 Analog implementation of linear transforms |
| 08/05/2004 | WO2004065982A1 Determination of a composite peak position in the presence of a doppler shift |
| 08/05/2004 | WO2004056058A3 Signal processing method and apparatus using bit confidence values |
| 08/05/2004 | WO2004036795A3 Method and apparatus for formatting signals for digital audio broadcasting transmission and reception |
| 08/05/2004 | WO2003036800A3 A method and apparatus for symbol synchronization using matched filtering |
| 08/05/2004 | US20040153960 Method and system for routing in low density parity check (LDPC) decoders |
| 08/05/2004 | US20040153893 Apparatus and a method for calculation of a correlation Value corresponding to a frequency error, and a recording medium with a recorded correlation value calculation program |
| 08/05/2004 | US20040153879 High-frequency signal reception apparatus and manufacturing method thereof |
| 08/05/2004 | US20040152418 Unified digital front end for IEEE 802.11g WLAN system |
| 08/05/2004 | US20040151507 Method, apparatus and system for high-speed transmission on fiber optic channel |
| 08/05/2004 | US20040151302 Single transformer hybrid system and method |
| 08/05/2004 | US20040151268 Method and system for processing a sampled signal |
| 08/05/2004 | US20040151264 Method and apparatus for automatic gain control of a multi-carrier signal in a communication receiver |
| 08/05/2004 | US20040151263 Multi-mode variable rate digital satellite receiver |
| 08/05/2004 | US20040151258 Bit likelihood calculation method and demodulation device |
| 08/05/2004 | US20040151255 Method and apparatus for identifying an orthogonal frequency division multiplexing (OFDM) terrestrial repeater using inactive sub-carriers |
| 08/05/2004 | US20040151254 Adaptive inter-carrier interference self-cancellation method and transceiver thereof |
| 08/05/2004 | US20040151231 Method and transceiver apparatus for transmitting paging information in orthogonal frequency-division multiplexing systems |
| 08/05/2004 | US20040151209 Asynchronous system-on-a-chip interconnect |
| 08/05/2004 | US20040151164 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 08/05/2004 | US20040151151 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 08/05/2004 | US20040151150 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 08/05/2004 | US20040151146 Multi-branch OFDM transceiver |
| 08/05/2004 | US20040151145 Channel estimation for an OFDM transceiver |
| 08/05/2004 | US20040151131 Adaptive frequency duplexing system and method |
| 08/05/2004 | US20040151110 Generation of a guard interval in a DMT modulation transmission |
| 08/05/2004 | US20040151109 Time-frequency interleaved orthogonal frequency division multiplexing ultra wide band physical layer |
| 08/05/2004 | US20040151108 Process to optimise communication for a multi-user OFDM digital transmission system over the electricity network |
| 08/05/2004 | US20040150754 Digital TV receiver |
| 08/05/2004 | US20040150753 Digital TV receiver |
| 08/05/2004 | DE10302161A1 Crest factor method for altering the crest factor in a time-discrete signal formed by a signal vector's time-consecutive signal value calculates a correcting vector to add to the signal vector |
| 08/05/2004 | DE10302113A1 Crest factor method for altering the crest factor in a time-discrete signal formed by a signal vector's time-consecutive signal value calculates a correcting vector to add to the signal vector |
| 08/05/2004 | DE10301501A1 Schaltungsanordnung und Verfahren zur Erzeugung eines Pulsweiten-modulierten Signals Circuit arrangement and method for generating a pulse-width-modulated signal |
| 08/04/2004 | EP1443725A1 Method and apparatus for encoding and decoding trellis modulated data with hyper-cubic constellations |
| 08/04/2004 | EP1443710A2 Multi-branch OFDM transceiver |
| 08/04/2004 | EP1443682A2 Sending radio station, receiving radio station, radio communication system, and radio communication method |
| 08/04/2004 | EP1443680A1 Radio apparatus and adaptive array processing method |
| 08/04/2004 | EP1443670A2 Digital baseband modulation apparatus and demodulation apparatus |
| 08/04/2004 | EP1443662A2 One chipped-direct conversion transceiver for reducing dc offset and a method of manufacturing the same |
| 08/04/2004 | EP1442572A2 Method ahd device for optimised xdsl data transmission |
| 08/04/2004 | EP1442571A2 Method and device for optimised adsl data transmission |
| 08/04/2004 | EP1442566A2 Method and system for transferring ip packets by aggregating multiple wireless communication channels for high data rate transfers |